Jenkins: 2.164.1, Unix slave, version 3.29, Maven Integration Plugin: 3.2
Receives similar warnings:
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running com.unisys.mcpsql.EscapeSyntaxTokenizerTest
[INFO] Tests run: 54, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.502 s - in com.unisys.mcpsql.EscapeSyntaxTokenizerTest
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 54, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[JENKINS] Recording test results[WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.SurefireArchiver$2; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/[WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.BuildInfoRecorder$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/
same here since a few days.